The human body requires energy in the form of calories in order to function properly. Scientifically speaking, a calorie is the amount of energy required to raise 1 kilogram of water by 1 degree Celsius, according to the textbook "Biology:...
Hormones are substances used to communicate between organs, glands and cells, and regulate bodily functions. Leptin is a hormone primarily released by adipose or fat tissue and sent to the brain to control eating patterns and weight. Leptin may be...
The endocrine system maintains the organs that release hormones. Hormones influence mood, affect sexual function, stimulate growth and regulate energy, among other functions. The major organs of the endocrine system include the brain, thyroid,...
Most conversations about levels of sexual desire focus on how to increase libido, not decrease it. Hypo-active sexual desire -- that is, an abnormally low interest in sex -- is more common than an overactive libido. As more people turn to...
The process of digestion is carried out through a number of organs in your digestive tract. The first stop is your stomach, which normally propels food into the small intestine to be digested. Sometimes your digestion will slow drastically or stop...
The adrenal gland is part of a network of hormone-producing organs that make up the endocrine system. Hormones are chemical messengers that instruct organs regarding when to increase or decrease certain functions. The adrenal glands, located on...
Hormones are chemical substances in the body that regulate biological activities such as metabolism, growth, reproduction, and energy and nutrient levels. Produced by the glands of the endocrine system, hormones are susceptible to many forms of...
Leptin is a hormone belonging to the endocrine system. Hormones are compounds that regulate metabolic and other processes. Leptin recently has become recognized as the "anti-obesity" hormone due to its role in satiety, better known as a "feeling...
Testosterone is an androgen, one of the male sex hormones synthesized from cholesterol in the Leydig cells, also called the interstitial cells of Leydig, in the testes. Leydig cells also synthesize and secrete the androgens androstenedione and...
The adrenal and thyroid glands are important parts of the endocrine system. The hormones produced by these glands are released into the bloodstream and travel around the body. They control a variety of functions that are fundamental to sustaining...
Hormones are the chemical messengers of the human body. Hormones regulate your blood pressure, affect your sex drive, manage your metabolism, control your sleep and determine how you respond to pain. Hormones are regulated by the endocrine system....
Insulin resistance and diabetes are the two main problems you can face when it comes to high or low blood sugar. Insulin is produced by the pancreas to manage dietary sugars that you consume daily. When the pancreas fails to produce enough insulin...
Hormones, chemical substances in your body, influence many functions such as mood, sexual reproduction and decreases and increases in the metabolism of your body. The endocrine system produces these hormones in various glands around the body. When...
Your endocrine system consists of glands that release hormones that control physiological functions in your body. Exercise boosts the number of hormones circulating in your body and strengthens receptor sites on target organ cells. Your endocrine...
Growth is regulated by the endocrine system of the body--a control network of hormones secreted by glands in the body. The function of the endocrine system is to integrate the actions of the body's organs. These hormones regulate nearly every...
The human endocrine system is a network of glands secreting hormones responsible for regulation of numerous functions such as digestion, sexual reproduction, growth and internal homeostasis. Glands constituting the endocrine system include the...
Endocrinology is a branch of medicine that deals with the the endocrine system. The endocrine system is responsible for the production and secretion of hormones, chemicals which are created to have diverse effects on tissues throughout the body,...
Hormone changes affect weight in a number of ways. The thyroid gland secretes three thyroid hormones that control the body's use of energy and its metabolism. As estrogen and progesterone hormone production decreases with age, men and women...
The adrenal glands are located in the trunk of the body just above each kidney. As part of the endocrine system, these glands produce hormones that are vital for coordinating the proper balance of activity between the body's other organ systems....
The endocrine system and nutrition intertwine to help you sustain health. The endocrine system secretes hormones into the bloodstream to regulate your body, and eating different types of foods can affect certain hormones, which in turn increase or...
Your child's body relies on hormones to perform daily bodily functions. From sleeping to metabolizing food, hormones are a vital part of life. However, when your child's hormones are not balanced properly, adverse symptoms that require treatment...
Hormones are produced by several glands throughout the body that make up the endocrine system. The chemicals or hormones that the glands produce are messengers that work outside the basic structures of the cells. Hormones are responsible for...
Parabens are synthetic preservatives used in foods, pharmaceuticals, cosmetics and personal care products such as deodorants, moisturizers and shampoos. Common parabens include methylparaben, ethylparaben, propylparaben and butylparaben. Parabens...
The thyroid gland is part of the endocrine system and is responsible for regulating hormones. A number of conditions can affect the endocrine system and the thyroid gland. The parathyroid glands are small glands found in the neck area. The...
Hormones in the male human body function as coordinators for many bodily processes, including the regulation of organ and cell function. Men primarily produce three types of hormones: follicle-stimulating hormones, luteinizing hormones and steroid...
The gastrointestinal, or GI, tract produces and secretes a wide array of peptides that act as hormones, coordinating and regulating the activities of the digestive system. The cells that secrete GI hormones reside within the lining of the...
The hypothalamus, a gland in the brain, controls the endocrine system, which releases hormones that provide signals to the body to regulate hunger and metabolism. Research into how those signals control weight and, when interrupted, may cause...
The University of Chicago Medical Center explains that fibromyalgia, a condition that causes pain in soft tissue, affects 2 to 4 percent of people in the United States. Patients with fibromyalgia mainly have pain, but they may also experience...
Progesterone is a female hormone made by the ovaries and the adrenal glands. Progesterone plays a crucial role in female pregnancy, preparing the uterine wall for implantation of the fertilized egg. It also maintains the uterus throughout...
